Question: Who was the partner of Edith Piaf in 1948?
Paraphrase: Who was Edith Piaf's partner in 1948?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q1631 p:P451 ?s . ?s ps:P451 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'1948')) }